Rock Mechanical Properties and Breakdown Pressure of High-Temperature and High-Pressure Reservoirs in the Southern Margin of Junggar Basin

Figure 3

Illustrations of failure modes of samples with different lithologies under high temperature and high pressure.

(a) Failure modes of argillaceous siltstone samples (experimental conditions from left to right are as follows:  MPa, °C,  MPa;  MPa, °C,  MPa;  MPa, °C,  MPa; and  MPa, °C,  MPa)

(b) Failure modes of medium-fine grained sandstone samples (experimental conditions from left to right are as follows:  MPa, °C,  MPa;  MPa, °C,  MPa;  MPa, °C,  MPa; and  MPa, °C,  MPa)

(c) Failure modes of glutenite samples (experimental conditions from left to right are as follows:  MPa, °C,  MPa;  MPa, °C,  MPa;  MPa, °C,  MPa; and  MPa, °C,  MPa)